In tonight’s Big Bang Theory, Raj learns that he was asked to craft a message for extraterrestrials in the event of alien contact. He asks the gang if any of them would like to help. Sheldon and Howard start to push their ideas on him, while Leonard asks Raj what he has in mind. This leads to Raj selecting Leonard to help since he considered his thoughts.
Leonard and Raj get together to brainstorm. They quickly realize that neither of them has any good ideas. After brainstorming, they end up coming with an idea to use a 3D communication system that will deliver a message using all of the senses. Raj gets excited, but Leonard points out that it is exactly the same idea that Sheldon and Howard had.
They decide to go back to Sheldon and Howard for help since they like their idea. All of them working on it doesn’t turn out well. They end up bickering. Raj points out that Sheldon and Howard always tend to take over. Leonard and Raj give them examples after they deny it. They make it clear that they often feel pushed aside. Howard then points out to Leonard that he and Sheldon went to Skywalker Ranch without inviting them.
By the episode’s end, we see the final project being watched by an alien who thinks that Sheldon, who they refer to as a “soft pink alien,” looks delicious.
In tonight’s subplot, Penny drops by to talk to Sheldon about her acting career. She wants advice on what to do about a movie audition she was offered. If she gets it, she would have to leave her current job. Sheldon is reluctant to give her advice because he doesn’t want to push his thoughts on her. He instead goes on a tangent about trains. That is when Penny decides to make a train analogy to try to get his opinion. This does work and Sheldon suggests that she goes to the audition and then wait to see how it goes before making a decision. Penny agrees, realizing that she was worrying about something that didn’t happen yet.
Penny shows up for the audition and finds that there are a number of blonde actresses that look similar to her also auditioning for the role. Penny remembers what going on auditions is like and how difficult and negative it can be. She walks out, but clarifies that this was only after she blew the audition.
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